In India, mobile ads mean phone callsIn many parts of the world, businesses relentlessly market to customers via their Web-connected smartphones, slipping pitches into everything from interactive games to graphics-laden productivity apps. Not so in rural India: To better reach the countrys 833 million villagers, Unilever (UL) is delivering free Bollywood music to their basic cell phones via old-fashioned phone calls.Please click here to read more on Businessweek